Source: https://github.com/aipoch/medical-research-skills

PCA Dimensionality Reduction Analysis

Use this skill to run principal component analysis on a tabular dataset and export explained variance, sample scores, feature loadings, and diagnostic figures.

Use This Skill When

• You need to reduce multiple numeric variables into a smaller set of principal components.
• You need a command-line PCA workflow with parameter validation.
• You need standardized output files for downstream analysis.

Primary Command

Rscript scripts/main.R \
  --data_file <input_file> \
  --output_dir <output_dir> \
  --feature_columns <comma_separated_numeric_columns>